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Bio Unit 2 Concept 3

TermDefinition
differentiation a process where an embryo starts to create body parts for different jobs
stem cells undifferentiated cells that can be given a job and turned into a specialized cell
organism one member of a species
organ system set of organs working together
organ set of tissues working together
cell most basic unit of life
cell cycle pattern of growth, DNA duplication, and cell division
Interphase the growth phase of the cell cycle
chromosome a long thread of DNA
gene a section of DNA with information about a trait
mitosis the part of cell division where the cell divides and becomes two identical cells
cytokinesis the dividing of a cell into two cells
cancer uncontrolled cell division
benign a non-cancer group of cells
malignant cancer cells that are growing
meiosis a type of cell division that makes sex cells with half the original DNA
homeostasis an organism keeping its body "normal"
positive feedback signal that amplifies (keeps increasing something)
negative feedback signal that help bring something back to "normal" and maintain homeostasis
function job
S of Interphase DNA Synthesis (DNA is being replicated in the nucleus)
G1 of Interphase growth (increases in size, new proteins and organelles are made)
G2 of Interphase growth and preparation for cell division
prophase DNA condenses into chromosomes
metaphase chromosomes line up in the middle of the cell
anaphase sister chromatids break apart and start to move to opposite sides of the cell
telephase 2 nuclei are formed, sister chromatids move to opposite sides of the cell
cytokinesis cytoplasm pinches to form two identical cells
Created by: mharms
 

 



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